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Finding the Fourth Proportional to 103,273.36, 154,879.02 and 36,704.74

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Solution

The fourth proportional to 103,273.36, 154,879.02 and 36,704.74 is: 55,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,273.36 : 154,879.02 = 36,704.74 : x
  2. Step 2: Convert to fraction form
    103,273.36/154,879.02 = 36,704.74/x
  3. Step 3: Cross multiply
    103,273.36x = 154,879.02 × 36,704.74
  4. Step 4: Simplify right side
    103,273.36x = 5,684,794,160.55
  5. Step 5: Solve for x
    x = 5,684,794,160.55/103,273.36
  6. Step 6: Final answer
    x = 55,046.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.